<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>c:标签实例</title>
</head>
<body>
  <h1>&lt;c:out&gt; 实例</h1>
  <% session.setAttribute("username","zhangsan"); %>
  <c:out value="${username}" ></c:out>
  <h1>${username}</h1>
</body>
</html>